Technical_Exhibit_7.5.7.10_Line_Clearing_Specifications.docx
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- FORT GORDON BASE OPERATIONS AND MAINTENANCE SUPPORT SERVICES REQUEST FOR PROPOSAL - SOLICITATION Federal contract opportunity
- Solicitation number
- W91249-18-R-0001
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Attachment 6 - TE 7.5.7.10 - Line Clearing Specifications
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Technical Exhibit 7.5.7.10 Line Clearing Specifications
LINE CLEARING SPECIFICATIONS
THE CONTRACTOR SHALL PERFORM ALL LINE CLEARING OPERATIONS IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND SPECIFICATIONS:
1. The American National Standard C133 for Tree Workers and Line Clearing.
2. The National Arborist Association (NAA) Standards for Tree Pruning and Line Clearing.
4. The Electrical RightOfWay State and National Clearance Standards (See the following Plates 1 through 4).
5. The determining factors for each site include size and type of conductor, tree species (i.e. Dogwood, Holly, Redbud, Magnolia and Laurel are not to be cut), and location (Improved/Unimproved). Mature, healthy trees that are located within 5 feet of the limits of clearing are not to be cut without prior written approval from the COR.
6. All stumps are to be cut as low as possible (not to exceed 4 inches in height) and are to be treated with a registered and approved herbicide.
LINE CLEARING
0 TO 750 v & 13.2 Neutral 4,160 750V to 8700 V See Note #1
13.2 Phase
24/40
KV
34,500
KV
“A”
TOP OF TREE
2’ –10”
5’-0”
8’-0”
15’-0” “B”
OVERHANGING LIMB
5’-0”
10’-0”
AVOID
AVOID
SAG OF LINE PLUS
“C”
MAIN TRUNK
2’-0”
2’-0”
6’-0”
AVOID
“D”
MAIN LIMB
4’-0”
4’0”
7’-0”
AVOID
“E”
BRANCHES
5’-0”
5’-0”
8’-0”
12’-0” Note 1. Includes System Communications. Twigs or leaves shall not be allowed to touch System Communications bare wires
PLATE 1
LINE CLEARING SPECIFICATIONS
PLATE 2
PLATE 3
PLATE 4
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